Home / 13,072.16-18,032.28-8,032.88

Finding the Fourth Proportional to 13,072.16, 18,032.28 and 8,032.88

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Solution

The fourth proportional to 13,072.16, 18,032.28 and 8,032.88 is: 11,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.16 : 18,032.28 = 8,032.88 : x
  2. Step 2: Convert to fraction form
    13,072.16/18,032.28 = 8,032.88/x
  3. Step 3: Cross multiply
    13,072.16x = 18,032.28 × 8,032.88
  4. Step 4: Simplify right side
    13,072.16x = 144,851,141.37
  5. Step 5: Solve for x
    x = 144,851,141.37/13,072.16
  6. Step 6: Final answer
    x = 11,080.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.